Direct modulation and mode locking of 1.3 μm quantum dot lasers

M. Kuntz; G. Fiol; M. Lämmlin; D. Bimberg; M. G. Thompson; K. T. Tan; C. Marinelli; A. Wonfor; R. Sellin; R. V. Penty; I. H. White; V. M. Ustinov; A. E. Zhukov; Yu M. Shernyakov; A. R. Kovsh; N. N. Ledentsov; C. Schubert; V. Marembert

doi:10.1088/1367-2630/6/1/181

Direct modulation and mode locking of 1.3 μm quantum dot lasers

M. Kuntz, G. Fiol, M. Lämmlin, D. Bimberg, M. G. Thompson, K. T. Tan, C. Marinelli, A. Wonfor, R. Sellin, R. V. Penty, I. H. White, V. M. Ustinov, A. E. Zhukov, Yu M. Shernyakov, A. R. Kovsh, N. N. Ledentsov, C. Schubert, V. Marembert

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Abstract

We report 7 GHz cut-off frequency, 2.5 and 5 Gb s^-1 eye pattern measurements upon direct modulation of 1.3 μm quantum dot lasers grown without incorporating phosphorus in the layers. Passive mode-locking is achieved from very low frequencies up to 50 GHz and hybrid mode-locking is achieved up to 20 GHz. The minimum pulse width of the Fourier-limited pulses at 50 GHz is 3 ps, with an uncorrelated timing jitter below 1 ps. The lasers are optimized for high frequency operation by a ridge waveguide design that includes etching through the active layer and ridge widths down to 1 μm. The far-field shape for 1 μm is close to circular with a remaining asymmetry of 1.2.

Original language	English
Pages (from-to)	1-11
Number of pages	11
Journal	New Journal of Physics
Volume	6
DOIs	https://doi.org/10.1088/1367-2630/6/1/181
Publication status	Published - 26 Nov 2004

ASJC Scopus subject areas

General Physics and Astronomy

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Kuntz, M., Fiol, G., Lämmlin, M., Bimberg, D., Thompson, M. G., Tan, K. T., Marinelli, C., Wonfor, A., Sellin, R., Penty, R. V., White, I. H., Ustinov, V. M., Zhukov, A. E., Shernyakov, Y. M., Kovsh, A. R., Ledentsov, N. N., Schubert, C., & Marembert, V. (2004). Direct modulation and mode locking of 1.3 μm quantum dot lasers. New Journal of Physics, 6, 1-11. https://doi.org/10.1088/1367-2630/6/1/181

Kuntz, M, Fiol, G, Lämmlin, M, Bimberg, D, Thompson, MG, Tan, KT, Marinelli, C, Wonfor, A, Sellin, R, Penty, RV, White, IH, Ustinov, VM, Zhukov, AE, Shernyakov, YM, Kovsh, AR, Ledentsov, NN, Schubert, C & Marembert, V 2004, 'Direct modulation and mode locking of 1.3 μm quantum dot lasers', New Journal of Physics, vol. 6, pp. 1-11. https://doi.org/10.1088/1367-2630/6/1/181

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title = "Direct modulation and mode locking of 1.3 μm quantum dot lasers",

abstract = "We report 7 GHz cut-off frequency, 2.5 and 5 Gb s-1 eye pattern measurements upon direct modulation of 1.3 μm quantum dot lasers grown without incorporating phosphorus in the layers. Passive mode-locking is achieved from very low frequencies up to 50 GHz and hybrid mode-locking is achieved up to 20 GHz. The minimum pulse width of the Fourier-limited pulses at 50 GHz is 3 ps, with an uncorrelated timing jitter below 1 ps. The lasers are optimized for high frequency operation by a ridge waveguide design that includes etching through the active layer and ridge widths down to 1 μm. The far-field shape for 1 μm is close to circular with a remaining asymmetry of 1.2.",

author = "M. Kuntz and G. Fiol and M. L{\"a}mmlin and D. Bimberg and Thompson, {M. G.} and Tan, {K. T.} and C. Marinelli and A. Wonfor and R. Sellin and Penty, {R. V.} and White, {I. H.} and Ustinov, {V. M.} and Zhukov, {A. E.} and Shernyakov, {Yu M.} and Kovsh, {A. R.} and Ledentsov, {N. N.} and C. Schubert and V. Marembert",

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AU - Kuntz, M.

AU - Fiol, G.

AU - Lämmlin, M.

AU - Bimberg, D.

AU - Thompson, M. G.

AU - Tan, K. T.

AU - Marinelli, C.

AU - Wonfor, A.

AU - Sellin, R.

AU - Penty, R. V.

AU - White, I. H.

AU - Ustinov, V. M.

AU - Zhukov, A. E.

AU - Shernyakov, Yu M.

AU - Kovsh, A. R.

AU - Ledentsov, N. N.

AU - Schubert, C.

AU - Marembert, V.

PY - 2004/11/26

Y1 - 2004/11/26

N2 - We report 7 GHz cut-off frequency, 2.5 and 5 Gb s-1 eye pattern measurements upon direct modulation of 1.3 μm quantum dot lasers grown without incorporating phosphorus in the layers. Passive mode-locking is achieved from very low frequencies up to 50 GHz and hybrid mode-locking is achieved up to 20 GHz. The minimum pulse width of the Fourier-limited pulses at 50 GHz is 3 ps, with an uncorrelated timing jitter below 1 ps. The lasers are optimized for high frequency operation by a ridge waveguide design that includes etching through the active layer and ridge widths down to 1 μm. The far-field shape for 1 μm is close to circular with a remaining asymmetry of 1.2.

AB - We report 7 GHz cut-off frequency, 2.5 and 5 Gb s-1 eye pattern measurements upon direct modulation of 1.3 μm quantum dot lasers grown without incorporating phosphorus in the layers. Passive mode-locking is achieved from very low frequencies up to 50 GHz and hybrid mode-locking is achieved up to 20 GHz. The minimum pulse width of the Fourier-limited pulses at 50 GHz is 3 ps, with an uncorrelated timing jitter below 1 ps. The lasers are optimized for high frequency operation by a ridge waveguide design that includes etching through the active layer and ridge widths down to 1 μm. The far-field shape for 1 μm is close to circular with a remaining asymmetry of 1.2.

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ER -

Direct modulation and mode locking of 1.3 μm quantum dot lasers

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